o'brien and o'brien dds patient portal; o'brien and o'brien dds patient portal. by Wilfred Sipes Published 7 months ago Updated 2 weeks ago 8 min read. OVERVIEW Dr. Obrien graduated from the Des Moines University College of Osteopathic Medicine in 1986. He works in East China, MI and 2 other locations and specializes in Family Medicine and ....